81736587

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{751}}^1$

素因数の和:928

約数の個数: 32

約数和(自身を含む): 126336000

約数和(自身を除く): 44599413

約数列:

[1, 3, 9, 27, 29, 87, 139, 261, 417, 751, 783, 1251, 2253, 3753, 4031, 6759, 12093, 20277, 21779, 36279, 65337, 104389, 108837, 196011, 313167, 588033, 939501, 2818503, 3027281, 9081843, 27245529, 81736587]

約数ペア:

[(1, 81736587), (3, 27245529), (9, 9081843), (27, 3027281), (29, 2818503), (87, 939501), (139, 588033), (261, 313167), (417, 196011), (751, 108837), (783, 104389), (1251, 65337), (2253, 36279), (3753, 21779), (4031, 20277), (6759, 12093)]